前言··························································································································Ⅲ

　　1范围·······················································································································1

　　2规范性引用文件········································································································1

　　3术语和定义··············································································································2

　　4符号·······················································································································2

　　5变速箱用滚针轴承分类·······························································································2

　　6代号方法·················································································································2

　　6.1代号构成···········································································································2

　　6.2类型代号和尺寸系列代号······················································································2

　　6.3后置代号···········································································································3

　　6.4代号示例···········································································································4

　　7结构类型·················································································································5

　　8外形尺寸···············································································································12

　　9技术要求···············································································································12

　　9.1材料及热处理····································································································12

　　9.2公差················································································································12

　　9.3滚针表面形状····································································································15

　　9.4表面粗糙度·······································································································15

　　9.5游隙················································································································15

　　9.6残磁················································································································15

　　9.7清洁度·············································································································15

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　　9.8旋转灵活性·······································································································15

　　9.9外观质量··········································································································15

　　9.10寿命··············································································································15

　　9.11其他··············································································································15

　　10检测方法··············································································································16

　　10.1公差的测量·····································································································16

　　10.2滚针凸度值的测量····························································································16

　　10.3表面粗糙度的测量····························································································16

　　10.4游隙的测量·····································································································16

　　10.5残磁的测量·····································································································16

　　10.6清洁度的测试··································································································16

　　10.7旋转灵活性的检查····························································································17

　　10.8外观质量的检查·······························································································17

　　10.9寿命试验········································································································17

　　11检验规则··············································································································17

　　11.1出厂检验········································································································17

　　11.2验收检验········································································································18

　　11.3型式检验········································································································18

　　12标志····················································································································18

　　13防锈包装··············································································································18

　　附录A（资料性）轴和轴承座与滚针轴承配合处的技术条件··················································19

　　参考文献····················································································································21

　　本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

　　c）增加了推力滚针轴承组件等部分轴承的代号方法和代号示例（见6.2.3、6.4）；

　　f）更改了冲压外圈滚针轴承外径公差的尺寸范围（见表8，2010年版的表7）；

　　h）更改了清洁度控制指标及测试滤膜孔径尺寸（见9.7、10.6，2010年版的8.7、9.6）。

　　请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

　　本文件起草单位：常州光洋轴承股份有限公司、洛阳轴承研究所有限公司、镇江飞亚轴承有限责任

　　本文件主要起草人：王子铭、王星星、李飞雪、宋晓梅、郭平、郭长建、汤伟庆。

　　杏彩体育 杏彩体育平台

　　本文件规定了汽车变速箱用滚针轴承的代号方法、结构类型、外形尺寸、技术要求、检测方法、检验

　　下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文

　　件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于

　　GB/T307.1—2017滚动轴承向心轴承产品几何技术规范（GPS）和公差值

　　GB/T2828.1—2012计数抽样检验程序第1部分：按接收质量限（AQL）检索的逐批检验抽样